These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 860mAh! Comes terminated with a standard 2-pin JST connector - 2mm spacing between pins. These batteries require special charging : Do not attempt to charge these with anything but a specialized LiPo charger.

Battery includes built-in protection against over voltage, over current, and minimum voltage.

Features:

• 2C continuous discharge
• Excellent long-term self-discharge rates (<8% per month)
• Robust power source under extreme conditions (-25 to 60C)

Dimensions: 0.23x1.16x2.0" (5.84x29.5x51mm)

Weight: 18.5g (0.65oz)